Skip the Balancing Act!
Here's a giant leap forward for variable speed pumping: the Self-Sensing Series with ProBalance®. At the heart is the patent pending Self-Sensing ProBalance® technology. The VFD's self-sensing capabilities make fast, accurate do-it-yourself system balancing easy. Reduced balancing contractor costs, no expensive wiring, and no additional sensors needed make the Self-Sensing Series a real breakthrough.

Balances itself.
SelfSensing ProBalance(TM) pinpoints true system resistance without inducing false head, balancing internally and automatically! That means lower install costs, no errors in setpoint, and a simplified construction schedule. It's the fastest, most efficient way to balance a pump on the market.

Outstanding savings.
The typical constant flow pump would run at 1750 rpm @ 60 hz. With SelfSensing ProBalance®, the same pump would run at 1458 rpm @ 50 hz. This simple adjustment saves the bearings and seals 153 million cycles per year! You not only save energy, you increase pump life as well.

The ultimate in pump protection and electrical safety.
The SelfSensing Series also features automatic alerts with optional shutdown for no-flow, dry-run, and end-of-curve operation. That means the seal is safe should someone forget to open a valve or to run the pump without water. What's more, the unit is electronically protected for overload and locked rotor conditions per UL 778 and CSA C22.2 No. 108, so the motor is protected - a real crowd pleaser for insurance companies.

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